chromium oxide

chromium oxide

[′krō·mē·əm ′äk‚sīd]
(inorganic chemistry)
A compound of chromium and oxygen; chromium may be in the +2, +3, or +6 oxidation state.

chromium oxide

A durable green pigment having good alkali resistance; rather expensive and sparingly used.
References in periodicals archive ?
New, advanced plasma ceramic coatings made from Chromium Oxide provide a very hard surface within those Vickers specifications while improving corrosion protection.
Types of pigments: Blacks (manganese ferrite black spinel, iron cobalt chromite black spinel, copper chromite black spinel, chromium iron oxide IR black, nickel iron chormite black spinel, hematite chromium green IR black); Blues (cobalt aluminate blue spinel, chromite blue green spinel, yttrium indium manganese oxide); Greens (cobalt titanate, chromium oxide, cobalt chormite green spinel); Specialty (sliver coated glass flakes, dynamix easily-dispersed pigments, Arctic IR reflective); Yellow and Oranges (RTZ oranges, NTP yellow, nickel titanate, chromium titanate, iron titanate, manganese antimony titanium buff rutile)
She bestows titled affiliations on various people in her life from "Dear Husband Glenn" to "Teacher Hanneline," describes the world in glorious colors of paint (Branch Brook Park is a "late-summer chromium oxide green, later, burnt-umber bare"), and addresses the powerful specter of abstraction, from "An Artist" to "The Art World." And she achieves all this while citing historical sources, invoking BeyoncA[c], delivering insightful critique, and finding thrilling new configurations for curse words.
(29) Emerald's distinctive green color in glaze can be recreated using chromium oxide. Cobalt can be used to generate a strong blue-violet (Figure 5a).
The formation of chromium oxide is relatively fast than the nickel and iron oxides at elevated temperatures.
A higher chromium content in the alloy leads to a more protective passive film through the formation of an interlinked chromium oxide network [10, 11].
"The difficulty was establishing close contact between the battery's three layers: the anode, consisting of solid metallic sodium; the cathode, a mixed sodium chromium oxide; and the electrolyte, the closo-borane," stated Leo Duchene.
XRD results from melt shop (MS), lamination (LA), quenching (QC) and powder blast furnace (LF) showed related peaks of hematite, magnetite, copper oxide, chromium oxide, calcium silicate and manganese oxide.
As reported in literature, chromium metal and chromium oxide based compounds play an important role in the reduction of pollutants emitted from automobiles and serve as the primary catalysts for wide varieties of basic and industrial reactions such as polymerization (Philips catalysts), hydrogenation, dehydrogenation, oxidation, and isomerization reactions [17-25].
It is clearly visible that uniform chromium rich oxide ([Cr.sub.2][O.sub.3]) and nickel chromium oxide are formed on the surface of Chromia coated sample oxidized at 650[degrees]C and 750[degrees]C in C[O.sub.2]+[O.sub.2] environment.
These passive films are generally rich in chromium oxide [1, 2].